<style>
    .home a:nth-child(1), .articlelist a:nth-child(2), .note a:nth-child(3), .about a:nth-child(4) {
        color: var(--choose-color);
    }
</style>
<header class="clear">
    <div class="set-width">
        <h1 class="left">个人博客</h1>
        <nav class="right <%= (current) %>">
            <a class="nav-btn " href="/">首页</a>
            <a class="nav-btn " href="/articles/list">文章</a>
            <a class="nav-btn " href="">笔记</a>
            <a class="nav-btn " href="/about">关于</a>
        </nav>
    </div>
</header>